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I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture.

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I think people know better than to ask me for a trip report to a conference I've attended. They'll get what I think is important - and their priorities are probably different. So here is that trip report anyway... You'll probably have gathered by now I'm for a "for the journey" person than a "for the destination" one. But I won't bore you with the minor inconveniences on both... [More]

I wouldn't want you to decide not to come to Vienna , just because I've made my slides available on Slideshare: I'd hope you'd come to Vienna anyway. It's a great place and it's going to be a great conference. Lots of people can't make Vienna and I don't suppose having the slides to hand is going to tilt the playing field significantly away from coming if you weren't going to anyway. I don't... [More]

I'm working on my presentations for System z Technical University - Vienna, May 2-6 and I'm reviewing the agenda. As well as my four presentations there are lots of other goodies. These range from the Management level down to the purely technical. (I guess mine are towards the latter end of the scale - but I'd say there's lots of pressure on us all to work on cost so detailed information on e.g.... [More]

One of the problems with having a presentation with a topical title is that you keep having to update the darned thing. :-) "Memory Matters in 2007" is a case in point. It's morphed over the years from two presentations: "Central Storage Performance" and "Expanded Storage Performance" (the latter of which eventually became obsolete) to a presentation that covered OS/390 real memory, DFSORT and DB2... [More]